Set of Three Molded Pressed Glass Fluted Vases with Fluorescent Response

This set consists of three matching pressed or molded glass vases displaying a distinctive ribbed or fluted pattern with scalloped, flower-like rims and flared bases. Under the ultra-violet lighting conditions shown, the glass exhibits a prominent yellow-green fluorescence along the edges and raised contours. The set includes one taller central vase flanked by two smaller identical side vases, all sharing the same flared organic form and vertical ribbing. No visible maker's marks, stamps, or labels are discernible from the photo; identification relies purely on visual and stylistic features. The owner notes that these are clear glass vases that glow green under a 365nm UV light source, attributing the effect to manganese content; however, chemical composition and precise maker details remain unverified without physical testing or documentation. Stylistically consistent with mid-20th-century molded decorative glassware or depression glass production. Overall condition appears good with no obvious large cracks or major chips visible, though minor surface shelf wear to the bases would be typical for pieces of this era.

Based on the provided image, I am examining a three-piece set of molded pressed glass vases featuring fluted, ribbed bodies, scalloped rims, and flared bases. Under ultraviolet light, the set displays a yellow-green fluorescent glow. Per user submission, the owner attributes this luminescence to manganese content in clear glass exposed to a 365nm UV light source. Stylistically, the set aligns with mid-20th-century decorative glassware or late Depression-era production. From what I can see in the photo, the pieces appear to be in good overall condition without obvious structural cracks or major chips. However, I cannot verify physical factors such as microscopic edge wear, precise glass chemistry, or exact manufacturing origin from a photograph alone. A physical inspection, chemical testing, or documentation from original pattern catalogs would be needed to establish a specific maker or precise era. Assuming the set is a genuine mid-century production with manganese-bearing glass, the estimated market value for the three-piece set as a cohesive decorative group is $35 to $65. Demand for mid-century fluorescent glass remains steady among niche collectors, though press-molded, unmarked utility pieces generally trade in accessible price ranges. Should the set turn out to be a later reproduction, modern replica, or standard unrefined glass lacking historical age, the secondary market value would likely decrease to $15 to $25.